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Free energy surfaces (in kJ/mol) for wild-type (A) and W60G β 2m (B) as a function of the side chains rotameric state, AB, and the antiparallel β -structure content (β ). (C) β -structure populations for wild-type (red bars) and W60G (black bars) β 2m. The seven β -strands building the protein fold are identified by A through G labels.
